Home / 844,107.51-1,165,032.31-639,802.07

Finding the Fourth Proportional to 844,107.51, 1,165,032.31 and 639,802.07

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Solution

The fourth proportional to 844,107.51, 1,165,032.31 and 639,802.07 is: 883,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,107.51 : 1,165,032.31 = 639,802.07 : x
  2. Step 2: Convert to fraction form
    844,107.51/1,165,032.31 = 639,802.07/x
  3. Step 3: Cross multiply
    844,107.51x = 1,165,032.31 × 639,802.07
  4. Step 4: Simplify right side
    844,107.51x = 745,390,084,867.96
  5. Step 5: Solve for x
    x = 745,390,084,867.96/844,107.51
  6. Step 6: Final answer
    x = 883,051.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.